
.wea-edc-droppable {
  position: relative;
  width: 100%;
  height: 100%;
  background: #f5f5f5;
  border-right: 1px solid #e1e1e1;
  cursor: move;
  
  & > span {
    position: absolute;
    left: 0;
    right: 0;
    text-align: center;
    top: 50%;
    transform: translateY(-50%);
    font-size: 14px;
    color: #666;
  }
}